Rustomjee Builders, Real Estate Builders Developers, Keystone Builders.

Rustomjee Developers in Mumbai, owned by Keystone Group. The company is the manifestation of one man and thevision that he has. His name is Mr. Boman R. Irani. He founded Keystone Realtors Pvt. Ltd. In 1995, which started from the bottom, while exploring every aspect of the business and rapidly rising to be one among the topmost Builders & Developers in Mumbai.

Keystone Group - An ISO 9001-2000 Company .We strongly believe Quality Consciousness is the key to our success and our driving force. Our pursuit to deliver nothing but the best has led us to benchmark against the best standarzds not just nationally but internationally.This led us to be one of the first Indian Real Estate Development Company to get an lSO 9001 - 2000 certification.

Our pursuit also prompted us to make conscious efforts towards improving our back end services. As a result we ensure that our suppliers and contractors are well geared up to live up to our high quality standards & expectations.